/*
 * Copyright (C) 2009 M. Hautle.
 * 
 * This file is part of TrackedBean.
 * 
 * TrackedBean is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any later version.
 * 
 * TrackedBean is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License along with TrackedBean. If not, see <http://www.gnu.org/licenses/>.
 */
package ch.trackedbean.validator;

/**
 * Interface describing an object validating a bean.<br>
 * Use this kind of validator to validate business content by validating several properties of a bean.<br>
 * Implementation must provide a default constructor.
 * 
 * @param <T> The bean type
 * 
 * @author M. Hautle
 */
public interface IBusinessValidator<T> {
    /**
     * Validates the given object.
     * 
     * @param bean The bean to validate
     * @param context The current context (you may call {@link IValidationContext#addErrors(String, IErrorDescription...)} to report errors on a specified
     *            property)
     * @return Null if the object is valid, otherwise an object describing the error
     */
    IErrorDescription validate(T bean, IValidationContext context);
}
